electroplated diamond abrasive disc the diamond abrasive disc are suitable for the repairing of hard alloy steel and quenched grinding tools and the processing of glass and jadeware. ID:16m/m ED:100m/m A allowable turnover number:12,000rpm/min art nodia(mm)inner dia(mm)total highdiamond high(mm)P1151.70.253.5P21520.253.5P31620.254P4181.70.254P5181.70.254P61920.254.5P7201.70.255P82030.15P92030.155P102030.255P11221.70.256P122220.256P132520.36.5P143030.35P153530.37.5P163530.57.5P174030.310P184030.510P194530.510P205030.610